CN104532881B - 一种自锁式防脱井盖 - Google Patents

一种自锁式防脱井盖 Download PDF

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CN104532881B
CN104532881B CN201410846578.9A CN201410846578A CN104532881B CN 104532881 B CN104532881 B CN 104532881B CN 201410846578 A CN201410846578 A CN 201410846578A CN 104532881 B CN104532881 B CN 104532881B
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CN104532881A (zh
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韩辉
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Guilin University of Electronic Technology
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Guilin University of Electronic Technology
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1427—Locking devices

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
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  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
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Abstract

本发明公开了一种自锁式防脱井盖，包括井盖和井盖座，井盖置于井盖座上，其特征在于：所述井盖座设有与其可转动连接的锁钩，所述井盖的表面设有用于容纳锁钩的凹槽，凹槽的底部设有楔形突出部，锁钩的弯钩形端头与楔形突出部相勾连；所述的楔形突出部和锁钩均为两个。这种自锁式防脱井盖防脱效果好，不易被井盖下的水流冲开，在发生内涝时能增加路面的安全性。

Description

一种自锁式防脱井盖
技术领域
本发明涉及井盖技术领域，具体是一种自锁式防脱井盖。
背景技术
现代城市因硬地面积过大经常出现内涝，位于街道路面上的城市管道维护井盖经常被涌出的水冲开，而水漫过街道路面行人和车辆看不到井口，因而出现了人在城市踩入水井，被水流冲走丧生的惨剧。现代自来水井盖对自上而下的压力可以承受，而且由于其自身重量较大，一般可以保持稳定的位置，而对来自井盖下面的水流冲击抵抗能力较差，特别是当井盖上面由于内涝有积水的时候，更容易被井盖下的水流冲开，致使路面的危险性大大增加。
发明内容
本发明的目的是针对上述情况，而提供一种自锁式防脱井盖，这种防脱效果好，不易被井盖下的水流冲开，在发生内涝时能增加路面的安全性。
实现本发明目的的技术方案是：
一种自锁式防脱井盖，包括井盖和井盖座，井盖置于井盖座上，与现有技术不同的是：所述井盖座设有与其可转动连接的锁钩，所述井盖的表面设有用于容纳锁钩的凹槽，凹槽的底部设有楔形突出部，锁钩的弯钩形端头与楔形突出部相勾连。
所述的楔形突出部和锁钩均为两个。
当井盖正常放置在井口上时，锁钩置于凹槽内，容易搬开锁钩打开井盖。
当城市内涝发生时井水从井中涌出推动井盖向上运动时，由于井盖向上发生位移，锁钩与楔形突出部相勾连形成钩锁锁扣，锁扣将自动锁住井盖。
因此，这种自锁式防脱井盖防脱效果好，不易被井盖下的水流冲开，在发生内涝时能增加路面的安全性。
附图说明
图1为实施例的结构示意图；
图2为井盖的结构示意图。
图中，1.井盖 2.井盖座 3.锁钩 4.凹槽 5.楔形突出部 6.弯钩形端头。
具体实施方式
下面结合附图和实施例对本发明内容作进一步的说明，但不是对本发明的限定。
实施例：
参照图1图2，一种自锁式防脱井盖，包括井盖1和井盖座2，井盖1置于井盖座2上，所述井盖座2设有与其可转动连接的锁钩3，所述井盖1的表面设有用于容纳锁钩3的凹槽4，凹槽4的底部设有楔形突出部5，锁钩3的弯钩形端头6与楔形突出部5相勾连。
图1图2中所示的楔形突出部5和锁钩3均为两个，凹槽4呈直线形，凹槽4也可以按其他形状设置。
楔形突出部5用于与锁钩3前端的弯钩形端头6钩住井盖1，当井盖1正常放置于井盖座2上时，锁钩3置于凹槽4内、楔形突出部5上，容易搬开相勾连的弯钩形端头6与楔形突出部5形成的锁扣打开井盖1，当内涝发生时井水从井中涌出推动井盖1向上运动，这时由于井盖1向上发生位移，锁扣将自动锁住井盖1，防止井盖1位移。

Claims (1)

1.一种自锁式防脱井盖，包括井盖和井盖座，井盖置于井盖座上，其特征在于：所述井盖座设有与其可转动连接的锁钩，所述井盖的表面设有用于容纳锁钩的凹槽，凹槽的底部设有楔形突出部，锁钩的弯钩形端头与楔形突出部相勾连；
所述的楔形突出部和锁钩均为两个；
楔形突出部用于与锁钩前端的弯钩形端头钩住井盖，当井盖正常放置于井盖座上时，锁钩置于凹槽内、楔形突出部上，容易搬开相勾连的弯钩形端头与楔形突出部形成的锁扣打开井盖，当内涝发生时井水从井中涌出推动井盖向上运动，这时由于井盖向上发生位移，锁扣将自动锁住井盖，防止井盖位移。
CN201410846578.9A 2014-12-31 2014-12-31 一种自锁式防脱井盖 Active CN104532881B (zh)

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1081487A (zh) * 1993-07-26 1994-02-02 阎乃京 一种自锁式井盖装置
CN2217642Y (zh) * 1994-11-03 1996-01-17 刘明山 多功能全防式井盖
JP3615411B2 (ja) * 1999-02-15 2005-02-02 北勢工業株式会社 地下構造物用蓋の開閉反転装置
CN2514040Y (zh) * 2001-08-22 2002-10-02 芦文忠 覆盖型防盗防水井盖
CN201158828Y (zh) * 2008-05-14 2008-12-03 腾达建设集团股份有限公司 防盗窨井盖
CN204435420U (zh) * 2014-12-31 2015-07-01 桂林电子科技大学 一种自锁式防脱井盖

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